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Finding the Third Proportional to 99,022.50 and 168,216.75

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Solution

The third proportional to 99,022.50 and 168,216.75 is: 285,762.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,022.50 : 168,216.75 = 168,216.75 : x
  2. Step 2: Convert to fraction form
    99,022.50/168,216.75 = 168,216.75/x
  3. Step 3: Cross multiply
    99,022.50x = 168,216.75 × 168,216.75
  4. Step 4: Simplify right side
    99,022.50x = 28,296,874,980.56
  5. Step 5: Solve for x
    x = 28,296,874,980.56/99,022.50
  6. Step 6: Final answer
    x = 285,762.07

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.